From owner-freebsd-questions@FreeBSD.ORG Fri Oct 10 06:57:11 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C82BF16A4B3 for ; Fri, 10 Oct 2003 06:57:11 -0700 (PDT) Received: from jupiter.picknowl.com.au (jupiter.picknowl.com.au [203.87.94.38]) by mx1.FreeBSD.org (Postfix) with ESMTP id E8AF843F85 for ; Fri, 10 Oct 2003 06:57:10 -0700 (PDT) (envelope-from imoore@picknowl.com.au) Received: from popadl-15-193.picknowl.com.au (popadl-15-193.picknowl.com.au [210.48.132.193]) by jupiter.picknowl.com.au (Postfix) with ESMTP id 9DE4996DF5 for ; Fri, 10 Oct 2003 23:27:08 +0930 (CST) From: Ian Moore To: "freebsd-questions" Date: Fri, 10 Oct 2003 23:29:08 +0930 User-Agent: KMail/1.5.3 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200310102329.08549.imoore@picknowl.com.au> Subject: ADSL modem & ip addresses X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Oct 2003 13:57:11 -0000 Hi, I'm organising an ADSL connection and I'm a bit confused about our options. We need to provide web, ssh and mail access to our network for users from home across the Internet with an ADSL connection. I figure the best way to do this is to setup a new machine to act as a firewall and run a web server & sendmail on this box. (or I have seen something about using socket to divert these services to our existing server which has a private address). The firewall would have a NIC with a private IP address to connect to the rest of our network. What's the best way then to connect it to the ADSL line? Do we have a second NIC in the firewall machine with a real IP address connected to an ADSL modem and use ppp -natd on that interface? Does that mean we'd need 2 static IP addresses - one for the firewall & one for the modem? (We really don't want to pay for 2 addresses) Or can we use a USB connection instead - are there FBSD drivers for ADSL modems? I can't see any in the supported hardware list. Or do we use a combined modem/router device to do the nat & firewalling and have it redirect mail, web & ssh access to our main server? (is that possible or do such devices not allow access into the network from the 'net?) Cheers, Ian